| article html file updated | 1 September 2025 11:51 CEST | Update | https://www.mdpi.com/1424-8220/20/21/6068 |
| article html file updated | 22 July 2022 22:27 CEST | Update | - |
| article html file updated | 26 October 2020 03:01 CET | Original file | - |
| article pdf uploaded. | 26 October 2020 03:00 CET | Updated version of record | https://www.mdpi.com/1424-8220/20/21/6068/pdf |
| article xml uploaded. | 26 October 2020 03:00 CET | Update | https://www.mdpi.com/1424-8220/20/21/6068/xml |
| article xml file uploaded | 26 October 2020 03:00 CET | Original file | - |
| article pdf uploaded. | 25 October 2020 11:34 CET | Version of Record | https://www.mdpi.com/1424-8220/20/21/6068/pdf-vor |
